Our Voices

Recording by Hiroshi Takano.

Recording identifiers

ISRC
JPTO00702169
CopyrightID (CopyrightChains transaction hash)
0xc767be384ba6519e2e1f6cc7fe897bb11c48a45374cdf52f942c82abb1770dbf
Copyright registration time
2026-07-30T18:53:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T19:11:09Z
Bitcoin block
960296
Canonical record hash
sha256:364ec03d1ed4ef025cb4dd7bbbe7b4207514155a37b1d1a56517de5c8c7d6cff

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.